Analisis Keterlambatan Pengiriman Unit Menggunakan Metode Six Sigma (Studi Kasus Pada PT XYZ). Jurnal Serambi Engineering, [S. l.], v. 9, n. 3, p. 9405–9417, 2024. Disponível em: https://jse.serambimekkah.id/index.php/jse/article/view/255. Acesso em: 30 jan. 2025.